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Antivirus is a must for every computer, It will protect your computer virus, spywares, hackers and crash downs, without antivirus your computer will not survive even for a day. According to experts, a computer attached with internet , is infected within 20 minutes.

AVG antivirus 2011 is the best free antivirus available on the internet. The changes to AVG's interface in the 2011 version are minor but actually improve usability quite a bit. The top and left navigation sections have been redecorated with light text on a dark background, although the main controls in the center of the window retain their standard black text on a white background. The safety status icon at the top of the interface has been simplified and made larger.

Features : The software offers what it calls "smart scanning," which leverages AVG's behavioral detection network to scan known safe files once, and only rescan them if it detects changes. As with its competitors, AVG's network is made up of its user base anonymously contributing data up to the cloud. You can choose to opt out of contributing your data when you install, or from the options menu. AVG says opting out won't negatively affect your security.

A new one-click Fix button for automatically repairing security breaches appears at the top along with the old red X when your system safety has been compromised. It disappears when your system gets a clean bill of health.
There's a new desktop gadget for Windows Vista and Windows 7 users that lets them initiate scans and updates with one click, without having to open the full interface. It also contains links to AVG's Twitter and Facebook pages, which the company uses to bolster its support for the free version. You can download it here

This post was written by: Franklin Manuel

Franklin Manuel is a professional blogger, web designer and front end web developer. Follow him on Twitter